Engine Air Cleaner Filter Lighting Bulbs
SeeEngine Compartment Overviewfor the location of theengine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenanceintervals and replace it at the first oil...

Engine Air Cleaner Filter Lighting Bulbs
If the vehicle has a diesel engine, see “PickupModels” under “Engine AirCleaner/Filter” in the Duramax® Diesel Supplementfor the correct inspection and replacement procedures. SeeEngine Compartment Overviewfor the location of...

Fog Lamp Aiming Lighting Exterior Lighting Fog Lamp
The front fog lamps must be aimed for proper illumination ofthe road. The front fog lamp aim should be checked when a new frontfog lamp assembly is installed, or if service or repairs in thefront end area may have disturbed...